staging: comedi: dt3000: remove subdevice pointer math

Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index 3476cda..3a940a2 100644 (file)
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -330,7 +330,7 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
        if (!dev->attached)
                return IRQ_NONE;
 
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        status = readw(devpriv->io_addr + DPR_Intr_Flag);
 #ifdef DEBUG
        debug_intr_flags(status);
@@ -842,7 +842,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        if (ret)
                return ret;
 
-       s = dev->subdevices;
+       s = &dev->subdevices[0];
        dev->read_subdev = s;
 
        /* ai subdevice */
@@ -857,7 +857,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->do_cmdtest = dt3k_ai_cmdtest;
        s->cancel = dt3k_ai_cancel;
 
-       s++;
+       s = &dev->subdevices[1];
        /* ao subsystem */
        s->type = COMEDI_SUBD_AO;
        s->subdev_flags = SDF_WRITABLE;
@@ -868,7 +868,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->len_chanlist = 1;
        s->range_table = &range_bipolar10;
 
-       s++;
+       s = &dev->subdevices[2];
        /* dio subsystem */
        s->type = COMEDI_SUBD_DIO;
        s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -879,7 +879,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->len_chanlist = 8;
        s->range_table = &range_digital;
 
-       s++;
+       s = &dev->subdevices[3];
        /* mem subsystem */
        s->type = COMEDI_SUBD_MEMORY;
        s->subdev_flags = SDF_READABLE;
@@ -890,7 +890,7 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->range_table = &range_unknown;
 
 #if 0
-       s++;
+       s = &dev->subdevices[4];
        /* proc subsystem */
        s->type = COMEDI_SUBD_PROC;
 #endif